CN101839420B - Back light module - Google Patents
Back light module Download PDFInfo
- Publication number
- CN101839420B CN101839420B CN2009100805692A CN200910080569A CN101839420B CN 101839420 B CN101839420 B CN 101839420B CN 2009100805692 A CN2009100805692 A CN 2009100805692A CN 200910080569 A CN200910080569 A CN 200910080569A CN 101839420 B CN101839420 B CN 101839420B
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- light emitting
- emitting diode
- projection
- primary colors
- backlight module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133613—Direct backlight characterized by the sequence of light sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention relates to a back light module which comprises a substrate and trichromatic light emitting diodes, wherein the substrate has a honeycomb-shaped protrusion structure; each honeycomb-shaped protrusion is provided with one trichromatic light emitting diode; and one trichromatic light emitting diode is arranged between two honeycomb-shaped protrusions. By arranging the trichromatic light emitting diode between two honeycomb-shaped protrusions, the invention can effectively form the overlapping area of light of three colors beyond the H range, thereby overcoming the defect of the prior art that the overlapping area of light of three colors can only be formed beyond the 2H rang, and effectively controlling the thickness of the back light module adopting the trichromatic light emitting diodes.
Description
Technical field
The invention belongs to the liquid crystal indicator field, particularly the backlight module of liquid crystal indicator.
Background technology
At present, liquid crystal indicator (Liquid Crystal Display is designated hereinafter simply as " LCD ") has become main panel display apparatus.Because the liquid crystal in liquid crystal display itself is not luminous, so LCD need to utilize the light source of backlight module to come display frame.Existing LCD is transmission-type LCD mostly, and backlight module is the necessary component of transmission-type LCD.
Light emitting diode in existing backlight module (Light-Emitting Diode, referred to as: LED) be one of main light source.Fig. 1 a is the backlight module schematic diagram of existing employing white light-emitting diode.Fig. 1 b is the A-A` schematic cross-section of Fig. 1 a.As shown in Fig. 1 a and Fig. 1 b, existing backlight module comprises: the substrate 20 and the white light-emitting diode 10 that are used for arranging light emitting diode.Wherein, substrate 20 is cellular bulge-structure.And a white luminous diode is set above cellular projection at each.
In order more to be conducive to quality, the light emitting diode of white need to be replaced to the three primary colors light emitting diode, i.e. emitting red light diode, blue-light-emitting diode and green emitting diode.
Fig. 2 a adopts the schematic diagram of three primary colors light emitting diode on existing backlight module.Fig. 2 b is the B-B` schematic cross-section of Fig. 2 a.As shown in Fig. 2 a and Fig. 2 b, existing backlight module comprises: be used for arranging the substrate 20 of three primary colors light emitting diode, be arranged on emitting red light diode 11, blue-light-emitting diode 12 and green emitting diode 13 above the cellular projection of substrate 20.
Adopt the backlight module of three primary colors light emitting diode there is no the overlapping region of different colours light in the H scope, only have the overlapping region of two kinds of color of light in the 2H scope.When therefore adopting the backlight module of three primary colors light emitting diode, can only form white light outside the 2H scope, namely adopt the Thickness Ratio of the backlight module of three primary colors light emitting diode to adopt the thickness of the backlight module of white luminous diode to increase at least 2H.
Summary of the invention
The purpose of this invention is to provide a kind of backlight module, with the too thick defective of thickness of the backlight module that overcomes available technology adopting three primary colors light emitting diode.
For achieving the above object, the invention provides a kind of backlight module, comprise: substrate and three primary colors light emitting diode, wherein said substrate is for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set, a described three primary colors light emitting diode is set between described cellular projection and described cellular projection.
Wherein, describedly be specially a described three primary colors light emitting diode is set between described cellular projection and described cellular projection: the recess between three adjacent described cellular projections arranges a described three primary colors light emitting diode.
Wherein, describedly be specially a described three primary colors light emitting diode is set between described cellular projection and described cellular projection: the groove between two adjacent described cellular projections arranges a described three primary colors light emitting diode.
Wherein, describedly be specially a described three primary colors light emitting diode is set between described cellular projection and described cellular projection: the side between two adjacent described cellular projections arranges a described three primary colors light emitting diode.
Wherein, describedly be specially a described three primary colors light emitting diode is set between described cellular projection and described cellular projection: the two sides between two adjacent described cellular projections arrange respectively a described three primary colors light emitting diode.
Wherein, described two sides between two adjacent described cellular projections arrange respectively a described three primary colors light emitting diode and are specially: the two sides between two adjacent described cellular projections arrange respectively a mutually different described three primary colors light emitting diode of color.
Wherein, described three primary colors light emitting diode comprises: emitting red light diode, blue-light-emitting diode and green emitting diode.
The present invention is by arranging the mode of three primary colors light emitting diode between cellular projection, effectively form the overlapping region of three kinds of color of light outside the H scope, can only form the defective of the overlapping region of three kinds of color of light outside the 2H scope thereby overcome prior art, effectively control the thickness that adopts the backlight module of three primary colors light emitting diode.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 a is the backlight module schematic diagram of existing employing white light-emitting diode;
Fig. 1 b is the A-A` schematic cross-section of Fig. 1 a;
Fig. 2 a adopts the schematic diagram of three primary colors light emitting diode on existing backlight module;
Fig. 2 b is the B-B` schematic cross-section of Fig. 2 a;
Fig. 3 a is the schematic diagram of the first embodiment of backlight module of the present invention;
Fig. 3 b is the C-C` schematic cross-section of Fig. 3 a;
Fig. 4 a is the schematic diagram of the second embodiment of backlight module of the present invention;
Fig. 4 b is the substrate schematic diagram of the second embodiment of backlight module of the present invention;
Fig. 5 a is the schematic diagram of the 3rd embodiment of backlight module of the present invention;
Fig. 5 b is the D-D` schematic cross-section of Fig. 5 a;
Fig. 6 a is the schematic diagram of the 4th embodiment of backlight module of the present invention;
Fig. 6 b is the E-E` schematic cross-section of Fig. 6 a.
Description of reference numerals
The white luminous diode of 10-; 11-emitting red light diode; 12-blue-light-emitting diode;
13-green emitting diode; The 20-substrate.
Embodiment
The first embodiment of backlight module of the present invention
Fig. 3 a is the schematic diagram of the first embodiment of backlight module of the present invention.Fig. 3 b is the C-C` schematic cross-section of Fig. 3 a.As shown in Fig. 3 a and Fig. 3 b, the backlight module of the present embodiment comprises: substrate 20 and three primary colors light emitting diode, wherein said substrate is for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set, is specially: red light emitting diodes 11 is being set on the first projection, blue LED 12 is being set on the second projection, green LED 13 is set on the 3rd projection.And the groove between two adjacent described cellular projections arranges a described three primary colors light emitting diode.Be specially: on the groove that arranges on the groove between the first projection and the second projection between green LED 13, the second projection and the 3rd projection, red light emitting diodes 11 is set.
The present embodiment is by arranging the mode of three primary colors light emitting diode on the groove between cellular projection, effectively form the overlapping region of three kinds of color of light outside the H scope, can only form the defective of the overlapping region of three kinds of color of light outside the 2H scope thereby overcome prior art, effectively control the thickness that adopts the backlight module of three primary colors light emitting diode.
In the present embodiment, the concrete distribution of three primary colors light emitting diode can design according to specific product.
The second embodiment of backlight module of the present invention
Fig. 4 a is the schematic diagram of the second embodiment of backlight module of the present invention.Fig. 4 b is the substrate schematic diagram of the second embodiment of backlight module of the present invention.as shown in Fig. 4 a and Fig. 4 b, the backlight module of the present embodiment comprises: substrate 20 and three primary colors light emitting diode, wherein said substrate is for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set, be specially: blue LED 12 is set on the first projection, blue LED 12 is set on the second projection, green LED 13 is set on the 3rd projection, green LED 13 is set on the 4th projection, blue LED 12 is set on the 5th projection, red light emitting diodes 11 is being set on the 6th projection and red light emitting diodes 11 is being set on the 7th projection.And the recess between three adjacent described cellular projections arranges a described three primary colors light emitting diode.Be specially: the recess between the first projection, the second projection and the 3rd projection arranges a blue LED 12; Recess between the first projection, the 3rd projection and the 4th projection arranges a red light emitting diodes 11; Recess between the first projection, the 4th projection and the 5th projection arranges a green LED 13.And with six recesses of this order around the first projection, a three primary colors light emitting diode is set respectively.
The present embodiment arranges the mode of a three primary colors light emitting diode by the recess between cellular projection, effectively form the overlapping region of three kinds of color of light outside the H scope, can only form the defective of the overlapping region of three kinds of color of light outside the 2H scope thereby overcome prior art, effectively control the thickness that adopts the backlight module of three primary colors light emitting diode.
In the present embodiment, the concrete distribution of three primary colors light emitting diode can design according to specific product.
The 3rd embodiment of backlight module of the present invention
Fig. 5 a is the schematic diagram of the 3rd embodiment of backlight module of the present invention.Fig. 5 b is the D-D` schematic cross-section of Fig. 5 a.As shown in Fig. 5 a and Fig. 5 b, the backlight module of the present embodiment comprises: substrate 20 and three primary colors light emitting diode, wherein said substrate is for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set, is specially: red light emitting diodes 11 is being set on the first projection, blue LED 12 is being set on the second projection, green LED 13 is set on the 3rd projection.And the side between two adjacent described cellular projections arranges a described three primary colors light emitting diode.Be specially: green LED 13 is set on the side of the first projection between the first projection and the second projection, the side of the 3rd projection between the second projection and the 3rd projection arranges red light emitting diodes 11.
The present embodiment is by arranging the mode of a three primary colors light emitting diode on the side between cellular projection, effectively form the overlapping region of three kinds of color of light outside the H scope, can only form the defective of the overlapping region of three kinds of color of light outside the 2H scope thereby overcome prior art, effectively control the thickness that adopts the backlight module of three primary colors light emitting diode.
In the present embodiment, the concrete distribution of three primary colors light emitting diode can design according to specific product.
The 4th embodiment of backlight module of the present invention
Fig. 6 a is the schematic diagram of the 4th embodiment of backlight module of the present invention.Fig. 6 b is the E-E` schematic cross-section of Fig. 6 a.As shown in Fig. 6 a and Fig. 6 b, the backlight module of the present embodiment comprises: substrate 20 and three primary colors light emitting diode, wherein said substrate is for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set, is specially: red light emitting diodes 11 is being set on the first projection, blue LED 12 is being set on the second projection, green LED 13 is set on the 3rd projection.And the two sides between two adjacent described cellular projections arrange respectively a described three primary colors light emitting diode.Be specially: on the side of the first projection between the first projection and the second projection, green LED 13 is set; On the side of the second projection between the first projection and the second projection, red light emitting diodes 11 is set; The side of the 3rd projection between the second projection and the 3rd projection arranges red light emitting diodes 11; The side of the second projection between the second projection and the 3rd projection arranges red light emitting diodes 11.
The present embodiment is by arranging respectively the mode of a three primary colors light emitting diode on the two sides between cellular projection, effectively form the overlapping region of three kinds of color of light outside the H scope, can only form the defective of the overlapping region of three kinds of color of light outside the 2H scope thereby overcome prior art, effectively control the thickness that adopts the backlight module of three primary colors light emitting diode.
In the present embodiment, the concrete distribution of three primary colors light emitting diode can design according to specific product.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (1)
1. backlight module comprises: substrate and three primary colors light emitting diode, wherein said substrate be for having cellular bulge-structure, and on each described cellular projection, a three primary colors light emitting diode is set,
It is characterized in that, the recess between three adjacent described cellular projections arranges a described three primary colors light emitting diode; Or
Groove between two adjacent described cellular projections arranges a described three primary colors light emitting diode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100805692A CN101839420B (en) | 2009-03-20 | 2009-03-20 | Back light module |
| US12/727,366 US8596808B2 (en) | 2009-03-20 | 2010-03-19 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100805692A CN101839420B (en) | 2009-03-20 | 2009-03-20 | Back light module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101839420A CN101839420A (en) | 2010-09-22 |
| CN101839420B true CN101839420B (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100805692A Active CN101839420B (en) | 2009-03-20 | 2009-03-20 | Back light module |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8596808B2 (en) |
| CN (1) | CN101839420B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012102716A1 (en) * | 2012-03-29 | 2013-10-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Display module for a display device |
| US20140056003A1 (en) * | 2012-08-20 | 2014-02-27 | John Frattalone | Modular video and lighting displays |
| CN104235662A (en) * | 2014-08-21 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Light strip, backlight source and display device |
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| ES2934308T3 (en) * | 2003-05-05 | 2023-02-21 | Signify North America Corp | lighting unit |
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| CN1553261A (en) * | 2003-06-04 | 2004-12-08 | 友达光电股份有限公司 | Light negative module with LED |
| CN2735150Y (en) * | 2004-07-30 | 2005-10-19 | 品能光电技术(上海)有限公司 | Light emitting diode module emitting lamp |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20100238647A1 (en) | 2010-09-23 |
| CN101839420A (en) | 2010-09-22 |
| US8596808B2 (en) | 2013-12-03 |
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Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150618 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150618 |
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Effective date of registration: 20150618 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |